os.setresgid(rgid, egid, sgid) Set the current process’s real, effective, and saved group ids. Availability: Unix. New in version 3.2.

class weakref.WeakSet([elements]) Set class that keeps weak references to its elements. An element will be discarded when no strong reference to it exists any more.

defaultTestResult() Return an instance of the test result class that should be used for this test case class (if no other result instance is provided to the run() method). For TestCase instances, this will always be an instance of TestResult; subclasses of TestCase should override this as necessary.

class multiprocessing.SimpleQueue It is a simplified Queue type, very close to a locked Pipe. empty() Return True if the queue is empty, False otherwise. get() Remove and return an item from the queue. put(item) Put item into the queue.

identify_column(x) Returns the data column identifier of the cell at position x. The tree column has ID #0.

class socketserver.ForkingMixIn class socketserver.ThreadingMixIn Forking and threading versions of each type of server can be created using these mix-in classes. For instance, ThreadingUDPServer is created as follows: class ThreadingUDPServer(ThreadingMixIn, UDPServer): pass The mix-in class comes first, since it overrides a method defined in UDPServer. Setting the various attributes also changes the behavior of the underlying server mechanism.

AttributesNS.getQNameByName(name) Return the qualified name for a (namespace, localname) pair.

Attributes.getNames() Return the names of the attributes.

XMLReader.setEntityResolver(handler) Set the current EntityResolver. If no EntityResolver is set, attempts to resolve an external entity will result in opening the system identifier for the entity, and fail if it is not available.

Cmd.undoc_header The header to issue if the help output has a section for undocumented commands (that is, there are do_*() methods without corresponding help_*() methods).